1 Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, CT 06269, USA. robin.chazdon@uconn.edu pedrob@usp.br.
2 Department of Forest Science, Universidade de São Paulo, Escola Superior de Agricultura Luiz de Queiroz, Piracicaba, São Paulo, Brazil. robin.chazdon@uconn.edu pedrob@usp.br.